How to Download Number 21 - Death Deal

1. Click on the Number 21 - Death Deal download button below.
2. Choose "Install" to install the game on the windows steam client.
3. Follow the on-screen prompts
4. Let it download the Full Version.
5. Once a game is downloaded, use the Windows Steam Client to play the game.

=== Download Game ====

Download for pc →

This guide describes how to use Steam Proton to play and run Windows games on your Linux computer. Some games may not work or may break because Steam Proton is still at a very early stage.

1. Activating Steam Proton for Linux:
Proton is integrated into the Steam Client with "Steam Play." To activate proton, go into your steam client and click on Steam in the upper right corner. Then click on settings to open a new window. From here, click on the Steam Play button at the bottom of the panel. Click "Enable Steam Play for Supported Titles."

Alternatively: Go to Steam > Settings > Steam Play and turn on the "Enable Steam Play for Supported Titles" option.

Valve has tested and fixed some Steam titles and you will now be able to play most of them. However, if you want to go further and play titles that even Valve hasn't tested, toggle the "Enable Steam Play for all titles" option.

2. Choose a version
You should use the Steam Proton version recommended by Steam: 3.7-8. This is the most stable version of Steam Proton at the moment.

3. Restart your Steam
After you have successfully activated Steam Proton, click "OK" and Steam will ask you to restart it for the changes to take effect. Restart it. Your computer will now play all of steam's whitelisted games seamlessly.

4. Launch Stardew Valley on Linux:
Before you can use Steam Proton, you must first download the Stardew Valley Windows game from Steam. When you download Stardew Valley for the first time, you will notice that the download size is slightly larger than the size of the game.
This happens because Steam will download your chosen Steam Proton version with this game as well. After the download is complete, simply click the "Play" button.

Windows Pc Requirements

Minimum:

• OS: Windows 10
  
• Processor: Intel i7-14700HX
  
• Memory: 12 GB RAM
  
• Graphics: RTX 3060 6GB
  
• DirectX: Version 11
  
• Storage: 3 GB available space

Recommended:

• OS: Windows 11/10
  
• Processor: Intel i7-14700HX
  
• Memory: 16 GB RAM
  
• Graphics: RTX 4060 8GB
  
• DirectX: Version 12
  
• Storage: 6 GB available space

Linux Requirements

No minimum requirements!!
No maximum requirements!!

Mac Requirements

No minimum requirements!!
No maximum requirements!!

Number 21, nicknamed the "Death Deal," draw cards to reach number 21. Going beyond number 21 has dire consequences, so be extremely careful in your decisions. There are also cards that can help you; be sure to use them appropriately.

Number 21, nicknamed the "Death Deal," draw cards to reach number 21. Going beyond number 21 has dire consequences, so be extremely careful in your decisions. There are also cards that can help you; be sure to use them appropriately.

A psychological horror card game where every choice could cost you your life.

You find yourself trapped at a dark table, surrounded by flickering retro screens displaying unsettling messages. A mysterious force controls the game, and your only way out is to play — and survive.

Each round challenges your strategy, memory, and risk-taking. Draw cards, make calculated decisions, and decide whether to push your luck or secure your safety. But beware — the deeper you go, the more the game twists reality itself.

With immersive first-person gameplay, chilling sound design, and an oppressive atmosphere inspired by Analog Horror and Retro TV, the game constantly keeps you on edge.

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Number 21: Death Deal

A psychological horror card game where every choice could be your last.

Draw cards. Reach 21. Survive.

You awaken at a dark table, surrounded by flickering retro screens whispering distorted messages. A mysterious force controls the rules — and the only way out is to play.

But be careful.

Going over 21 doesn’t just mean losing.

It means consequences.

🃏 Strategic Card Survival

Each round challenges your:

Strategy

Memory

Risk management

Draw carefully.

Use special cards wisely.

Decide when to push your luck — and when to walk away.

Because the deeper you go, the more the game begins to change.

📺 Psychological Horror Atmosphere

Immersive first-person perspective

Analog horror–inspired visuals

Disturbing retro TV screens

Unsettling sound design

Twisting reality events as you progress

The system is watching.

The rules are evolving.

And escape may not be what you expect.

🎭 Features

✔ Risk-based card gameplay

✔ Psychological tension that escalates

✔ Dynamic rounds with unpredictable twists

✔ Dark retro aesthetic

✔ Multiple possible outcomes

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Can you outsmart the system and escape?

Or will you become another lost player?

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• Note: The game may be short

Ver : 1.0

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